Games like Great Marble Adventure
Games like Great Marble Adventure include ALTF4, Chained Together, Sonic Adventure 2, Sonic Adventure DX, and Kao the Kangaroo: Round 2 (2003 re-release). We matched them by the tags players give Great Marble Adventure on Steam (Action, Casual, 3D Platformer, Platformer, and Puzzle Platformer): closest matches first, and among equally close ones the better-known games.

ALTF4
Shared: 3D Platformer · Action · Third Person

Chained Together
Shared: Casual · Platformer · Puzzle Platformer

Sonic Adventure 2
Shared: Action · 3D Platformer · Platformer

Sonic Adventure DX
Shared: Platformer · 3D Platformer · Action

Kao the Kangaroo: Round 2 (2003 re-release)
Shared: Action · 3D Platformer · Casual

Portal
Shared: 3D Platformer · Puzzle Platformer · Action

Planet of Lana
Shared: Action · Puzzle Platformer · Platformer

Portal 2
Shared: Platformer · Puzzle Platformer · 3D Platformer

Monument Valley 2
Shared: Casual · Action · Puzzle Platformer

Pumpkin Jack
Shared: Action · 3D Platformer · Third Person

Defy Gravity Extended
Shared: Platformer · Puzzle Platformer · Action

Refunct
Shared: 3D Platformer · Casual · Puzzle Platformer

EDGE
Shared: Action · Puzzle Platformer · Platformer

LIMBO
Shared: Puzzle Platformer · Platformer · Atmospheric

Sonic Frontiers
Shared: 3D Platformer · Action · 3D

Legacy of Kain™ Soul Reaver 1&2 Remastered
Shared: Action · Platformer · Third Person

SONIC X SHADOW GENERATIONS
Shared: Action · 3D Platformer · Platformer

Spark the Electric Jester 3
Shared: Action · 3D Platformer · Platformer

Only Climb: Better Together
Shared: 3D Platformer · Platformer · 3D

s&box
Shared: Casual · Action · 3D Platformer

Crash Bandicoot™ 4: It’s About Time
Shared: Action · 3D Platformer · Platformer

Tomb Raider IV-VI Remastered
Shared: Action · Platformer · 3D Platformer

Pseudoregalia
Shared: 3D Platformer · Platformer · 3D

Clustertruck
Shared: Action · 3D Platformer · Indie